Use the form below to do your conversion.
Solution
Step1
Log2113781=Log(13781) ÷ Log(21)
Log(13781)= 4.1392807327185
Log(21)=1.3222192947339
Log2113781=4.1392807327185 ÷ 1.3222192947339
Ans=3.1305553845752
Step2
Alternatively, the logarithm can be calculated like this.